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Anvil Arts Named in m3rx Ransomware Data-Theft Claim

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Summary

Ransomware group m3rx claims it stole 480 GB across about 299,000 files from Anvil Arts; the monitoring post says the claim is unconfirmed.

Key points

  • The record identifies Anvil Arts, a performing arts organization in Hampshire, as the named victim.
  • The claim attributed to ransomware actor m3rx alleges 480 GB of data and about 299,000 files were stolen.
  • The monitoring post lists the claim as discovered and published on April 29, 2026.
  • The post says it is based on public claims by m3rx and that the information could not be confirmed.

Article Details

Victim
Anvil Arts
Victim Domain
anvilarts.org.uk
Claim Date
2026-04-29
Encryption Status
Unknown
Encrypted Size
Unknown
Exfiltration Status
Claimed by m3rx; unverified
Exfiltrated Data
Data types not disclosed
Exfiltrated Size
480 GB and about 299,000 files, according to m3rx's claim
Ransom Demand
Unknown
Leak Status
Claim posted; publication of the data was not reported

Threat Actors

m3rxNamed as the ransomware actor that claimed to have stolen data from Anvil Arts; the article says the claim's accuracy cannot be confirmed.

Industries

Consumer ServicesSector: Consumer ServicesPerforming artsAnvil Arts (anvilarts.org.uk), the largest performing arts organization in Hampshire, reports a ransomware incident attributed to threat actor m3rx.